/**
 * @author 赵希奥
 * @date 2022/3/31 11:51
 * @gitHub https://github.com/CKXGZXA
 * @gitee https://gitee.com/ckxgzxa
 * @description: 用户类, 充当抽象构件类
 */
public abstract class IUser {
    abstract void login();
    abstract void logout();
}
